tsoracle-paxos-toolkit 0.2.1

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//
//  tsoracle — Distributed Timestamp Oracle
//
//  Copyright (c) 2026 Prisma Risk
//  Licensed under the Apache License, Version 2.0
//  https://github.com/prisma-risk/tsoracle
//

//! Failpoint injection sites. When the `failpoints` feature is enabled, the
//! `fail_point!` macro forwards to the `fail` crate's macro of the same name;
//! when disabled, it expands to nothing. Centralized here so other modules
//! invoke a single symbol regardless of feature state.

#[cfg(feature = "failpoints")]
#[macro_export]
macro_rules! fail_point {
    ($name:expr) => {
        fail::fail_point!($name)
    };
    ($name:expr, $closure:expr) => {
        fail::fail_point!($name, $closure)
    };
}

#[cfg(not(feature = "failpoints"))]
#[macro_export]
macro_rules! fail_point {
    ($name:expr) => {
        ()
    };
    ($name:expr, $closure:expr) => {
        ()
    };
}

#[cfg(test)]
mod tests {
    #[cfg(feature = "failpoints")]
    #[test]
    fn fail_point_is_reachable() {
        // When the feature is enabled, the macro expands to a call site
        // the `fail` registry can match against. The closure form needs a
        // Result-returning context to compile (because `fail::fail_point!`
        // can early-return) and is exercised in `tests/failpoints.rs`
        // under the real RocksDB code path.
        crate::fail_point!("test::point");
    }

    #[cfg(not(feature = "failpoints"))]
    #[test]
    fn fail_point_is_a_noop() {
        // When the feature is disabled, the macro must compile to nothing
        // measurable. Simply invoking it must not panic.
        crate::fail_point!("test::point");
    }
}